﻿/* Copyright 2010-present MongoDB Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using MongoDB.Bson;
using MongoDB.Driver.Core.Misc;
using MongoDB.Driver.Linq.Linq3Implementation.Ast.Visitors;

namespace MongoDB.Driver.Linq.Linq3Implementation.Ast.Filters
{
    internal sealed class AstGeoWithinBoxFilterOperation : AstFilterOperation
    {
        private readonly BsonArray _bottomLeftCoordinates;
        private readonly BsonArray _upperRightCoordinates;

        public AstGeoWithinBoxFilterOperation(BsonArray bottomLeftCoordinates, BsonArray upperRightCoordinates)
        {
            _bottomLeftCoordinates = Ensure.IsNotNull(bottomLeftCoordinates, nameof(bottomLeftCoordinates));
            _upperRightCoordinates = Ensure.IsNotNull(upperRightCoordinates, nameof(upperRightCoordinates));
        }

        public BsonArray BottomLeftCoordinates => _bottomLeftCoordinates;
        public override AstNodeType NodeType => AstNodeType.GeoWithinBoxFilterOperation;
        public BsonArray UpperRightCoordinates => _upperRightCoordinates;

        public override AstNode Accept(AstNodeVisitor visitor)
        {
            return visitor.VisitGeoWithinBoxFilterOperation(this);
        }

        public override BsonValue Render()
        {
            return new BsonDocument
            {
                { "$geoWithin", new BsonDocument
                    {
                        { "$box", new BsonArray
                            {
                                _bottomLeftCoordinates,
                                _upperRightCoordinates,
                            }
                        }
                    }
                }
            };
        }
    }
}
